GREY LEVEL THRESHOLDING IN BADLY ILLUMINATED IMAGES
Date
1990-06-01
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Abstract
Most grey level thresholding methods produce very good results in
situations where the illumination gradient in the original raster image
is regular and not too large. In other cases, such as a large linear
change in illumination, a satisfactory bi-level image cannot be
produced. One approach is to locate object pixels first, and then
grow regions around these, generating a threshold value for each pixel.
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Computer Science